42928870 has 8 divisors (see below), whose sum is σ = 77271984. Its totient is φ = 17171544.

The previous prime is 42928849. The next prime is 42928871. The reversal of 42928870 is 7882924.

42928870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42928871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146434 + ... + 2146453.

It is an arithmetic number, because the mean of its divisors is an integer number (9658998).

Almost surely, 2^42928870 is an apocalyptic number.

42928870 is a deficient number, since it is larger than the sum of its proper divisors (34343114).

42928870 is a wasteful number, since it uses less digits than its factorization.

42928870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292894.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 42928870 is about 6552.0126678754. The cubic root of 42928870 is about 350.1465236849.

The spelling of 42928870 in words is "forty-two million, nine hundred twenty-eight thousand, eight hundred seventy".